class Rack::Mount::Analysis::Splitting
Constants
- NULL
Public Class Methods
new(*keys)
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# File lib/rack/mount/analysis/splitting.rb, line 29 def initialize(*keys) clear keys.each { |key| self << key } end
Public Instance Methods
<<(key)
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# File lib/rack/mount/analysis/splitting.rb, line 40 def <<(key) raise ArgumentError unless key.is_a?(Hash) @raw_keys << key nil end
clear()
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# File lib/rack/mount/analysis/splitting.rb, line 34 def clear @raw_keys = [] @key_frequency = Analysis::Histogram.new self end
expire!()
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# File lib/rack/mount/analysis/splitting.rb, line 65 def expire! @possible_keys = @report = nil end
possible_keys()
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# File lib/rack/mount/analysis/splitting.rb, line 46 def possible_keys @possible_keys ||= begin @raw_keys.map do |key| key.inject({}) { |requirements, (method, requirement)| process_key(requirements, method, requirement) requirements } end end end
process_key(requirements, method, requirement)
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# File lib/rack/mount/analysis/splitting.rb, line 69 def process_key(requirements, method, requirement) separators = separators(method) if requirement.is_a?(Regexp) && separators.any? generate_split_keys(requirement, separators).each_with_index do |value, index| requirements[Key.new(method, index, Regexp.union(*separators))] = value end else if requirement.is_a?(Regexp) expression = Utils.parse_regexp(requirement) if expression.is_a?(Regin::Expression) && expression.anchored_to_line? expression = Regin::Expression.new(expression.reject { |e| e.is_a?(Regin::Anchor) }) return requirements[method] = expression.to_s if expression.literal? end end requirements[method] = requirement end end
report()
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# File lib/rack/mount/analysis/splitting.rb, line 57 def report @report ||= begin possible_keys.each { |keys| keys.each_pair { |key, _| @key_frequency << key } } return [] if @key_frequency.count <= 1 @key_frequency.keys_in_upper_quartile end end
Private Instance Methods
join_buffer(parts, regexp)
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# File lib/rack/mount/analysis/splitting.rb, line 150 def join_buffer(parts, regexp) if parts.literal? parts.to_s else parts.to_regexp(true) end end
separators(key)
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# File lib/rack/mount/analysis/splitting.rb, line 90 def separators(key) key == :path_info ? ["/", "."] : [] end